Where does boogers come from?

Everyone gets boogers, but what exactly makes a booger, and why do they happen? read more

Snot is actually a collective designation for everything that comes out of your nose, with the exception of when you have a nosebleed. When you are healthy it runs out as mucous. If the mucous is dried you get boogers. read more

Sure, it can be gross to blow globs of snot into tissue after tissue when you have a cold or sinus infection, but mucus actually serves a very important purpose. "Mucus is incredibly important for our bodies," explains Michael M. Johns III, MD, director of the Emory Voice Center and assistant professor of otolaryngology -- head and neck surgery at Emory University. read more

Mucus is made by mucosal glands that line the body's respiratory tract, which includes the nose, the throat and the lungs, Lebowitz said. [What Your Snot Says About You (Infographic)] Most of the mucus that people sneeze out comes from the mucosal glands lining the nasal passages, Lebowitz said. read more